Race Day

2018 Results, Photos, and More

Thank you for running with us this year! Find your individual race results here.

If you are a Relay Team, please note that results will be posted in early June after we verify our top teams in each division. We need to verify number of runners, gender and if they are employees (for corporate, government, and public schools).

2018 AWARDS EVENING - $100,000 in prize money to charity

Our annual awards evening will be in June for top individual runners and top placing relay teams. Each relay team that places in corporate, government, or open will receive their team and individual awards AND an over-sized check to present to one of our qualifying charity partners. Qualifying teams and individuals will receive an email invitation.

Don't Miss

Denver's Only Marathon

Where to start? Boston Qualifier, through the Super Bowl champion’s Mile High Stadium twice, along miles of water, through a fire station, & ranked by Runner’s World! Finish your 26.2 into a huge post-race party with live music, food, & drinks. Plus – if you run a marathon race also between 1-1-17 and 5-20-17 you are eligible for a Colfax adidas gift!

Colfax named a favorite - Runners World, 5280, ...

2017 had editors from 5280 Magazine award the Colfax Marathon Relay as their favorite Denver race to run! Plus back to back years Runner’s World picked Colfax Marathon as a favorite – one of ten in 2015, one of 10 great marathon for first timers in 2016, and a feature article in 2016/ 2017 about Denver as a top 10 running city and Colfax Marathon as the featured Denver race.

Half Marathon through Denver Zoo

Take a tour through the elephant exhibit, past the monkeys, and by the camels smiling at you on your way to 13.1 miles. Plus, firefighters from Aurora Fire will be cheering you on as you run through the firestation!